#!/bin/bash
#
read -p "操作系统名称：" os_name
if [ $os_name == linux -o $os_name == Linux ];then
	echo "红帽"
elif [ $os_name == windows -o $os_name == Windows ];then
	echo "微软"
elif [ $os_name == mac -o $os_name == Mac ];then
	echo "苹果"
else
	echo "其他"
fi

